| Name: | NEPTUNITE | ||
| Specification: | [6], structure type - neptunite | ||
| Formula: | KNa2LiFe2Ti2O2[Si8O22] | ||
| Symmetry Class: | monoclinic-beta | ||
| Space Group: | C 2/c | ||
| Unit Cell Parameters: | a = 16.4600 | b = 12.5000 | c = 10.0100 | beta = 115.4300 | ||
| Number of Formula Unit: | Z = 4 | Unit Cell Volume, Å3: | Vc = 1860.01 |
| Number of Atomic Position per full Unit Cell: | P/U = 160 | Molar Volume, cm3/mol: | Vm = 280.09 |
| Number of Reflexes used in Structure Determination: | - | X-ray density, g/cm3: | p = 3.24 |
| R-factor: | - | MU, 1/cm: | µ = 263.290 |
| Wave Length for Calculated Powder Diffraction Patterns: | Co=1.78892 | Mass attenuation coefficient, cm2/g: | µ/p = 81.210 |
| Theta-Interval for CPDP: | T/I = 1-45 | ||